I used brew to install python version 3.10

I used the Visual Studio Code Python Extension to create a Python Environment

I selected Venv

I selected Python 3.10

I installed langflow

I used python -m langflow run to start langflow

I opened a browser and navigated to http://127.0.0.1:7860

I selected the Blank Flow template

I clicked in the Untitled document box and selected the Import menu item

I selected the Doc to Podcast (Langflow).json flow

I selected the Settings menu item

I selected the Global Variables menu item

I added an openai_api_key variable

The variable was listed

I added the openai_api_key value to the LLM step

I added the openai_api_key value to the text-to-speech step

I clicked on the File step to select a podcast source document

I selected a Power Pages (Part 1).pdf source document

I clicked the play button on the last step and ran into an issue

I terminated langflow and used pip to install pydub. I restarted langflow.

I clicked play on the last flow step

While I was waiting I clicked the Inspect Output menu item in the Extract Block From Markdown step

I reviewed the podcast script

Once the flow finished running I reviewed the result (see below)